Robert J. De Guzman

Shelly’s practice focuses on corporate/commercial matters, business and succession planning, estate planning, including Wills, Enduring Powers of Attorney, Personal Directives, family trusts, and estate administration. She is the firm’s Wills, Estates & Trusts Team Lead. Prior to entering law, Shelly worked for the Capital Health Authority and was the Regional Coordinator for the Department of Laboratory Medicine. She also worked overseas as a medical laboratory technologist i...

Getting people out of trouble and on the path to a resolution is Douglas Boyer’s primary goal. In his litigation and risk management practice, from the second he’s involved, Douglas sets his sights on solving any problem his clients are facing with the most efficient and cost-effective solution. As the lead of the Insurance and Risk Management Practice Group, Douglas has a particular focus on the construction industry and insurance defense. He represents clients, including insured...

Admitted to the Alberta bar in 1982, Howie attended the University of Calgary, University of Manitoba, and University of Alberta, where he earned his LL.B. in 1981. Howie is a senior litigator and chair of the Witten LLP Litigation Department. He has a commercial litigation & arbitration practice that emphasizes commercial lease and contract litigation, builders’ liens, and insolvency litigation. Howie is a frequent lecturer and seminar panelist on topics ranging from trial advocacy...

Scott has a litigation practice focused on some of the most significant industrial and infrastructure construction impact disputes in Canada, including the development, assessment, quantification and litigation/arbitration of delay, extra, schedule extension and productivity issues, as well as product liability claims. Scott has extensive trial experience, representing clients in many major and complex disputes before Courts across Canada, and in commercial arbitration proceedings, both domes...

Helping people is Bryan‘s primary focus. He works closely with his clients to find practical and cost-effective solutions in complex commercial litigation and business immigration matters. Bryan is an experienced courtroom advocate with a broad litigation practice. He handles contractual disputes, builders’ liens, debt collection, product liability, shareholders’ disputes, and disciplinary proceedings. He has a particular interest in construction disputes involving floods, f...

Eric Vaillant is a top attorney recognized by Best Lawyers in the practice area(s) of Banking and Finance Law, Corporate Law, Mergers and Acquisitions Law and Real Estate Law. Eric, who practices law in Edmonton, Alberta, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Eric is held by other top lawyers in the same geographic and legal practice area.

Dan is a dedicated advisor and strategic problem solver. He is known for providing timely, practical advice and unrelenting advocacy. He leverages his tireless work ethic and substantial experience to achieve measurable results for his clients. Dan is an accomplished litigator and advisor to union and non-union employers with respect to labour, employment, workers’ compensation, occupational health and safety, and administrative law issues. He is well-versed in termination issues, human...

Brendon Ho navigates the legal scene as a top-notch corporate and tax lawyer with knowledge and experience in mergers and acquisitions. With a facility for both corporate tax and corporate law, Brendon considers diverse perspectives, delivering optimal outcomes for clients. His advice spans a spectrum of business law areas, backed by a solid foundation with a Bachelor of Commerce from the University of Alberta, where he was awarded the Dr. Hu Harries Medal in Business as the program’s t...

Keltie Lambert practices in the areas of Commercial Litigation, Environmental Law, Indigenous Law and Employment Law. After graduating law school at the University of Victoria, she has been practicing with Witten LLP since 2004. She regularly appears before provincial and federal regulatory boards and tribunals on environmental and energy matters. She has appeared before all levels of court, including Federal Court Trial and Appeal divisions and the Supreme Court of Canada. Keltie enjoys serv...

Wendi Crowe’s practice focuses on tax, business succession planning, trusts and estate planning, to address the complexities of today’s families. She uses a practical, holistic and collaborative approach to assist owner-managers in achieving their business succession goals. Wendi advises clients at all stages of the business life cycle, including incorporation and ownership structure, partnership and shareholder agreements, employee profit-sharing plans and stock options, acquisit...